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Fire / Smoke Dampers & VCD's

Fire Smoke Damper Circular

Fire Dampers

The FD Series Steel Curtain Fire Damper is designed to stop the spread of fire through ducts, walls, floors and ceilings.
The product has many features and options. There are five casing variants with infinite sizing capability within minimum / maximum dimensions, Dampers are available to suit low / medium and high velocity applications.


• Low/medium and high velocity models
• Galvanised or stainless steel blades and casings
• Factory fitted HEVAC approved installation frame, or other approved method (see brochure)
• Fully welded construction
• Infinte sizing capability
• Comprehensive status and Control options
• Tested for four hour duration


Specifications & Tests
Fire tested to:
• European standard EN1366 -2:1999
• ISO 10294 -1:1996(E)
• Horizontal test report for 4hr duration TE 201814
• Verticall test report for 4hr duration TE 201633
• BS 476 part 20:1987 for 4hr duration:
Warrington report WFRC C43264
stainless steel blades
Warrington report WFRC C43265
galvanised blades
• 28 day Salt corrosion test
Chatfield reports C7217/8
• Conforms to DW144 and
Eurovent 2/2 as relevant


Blade Details
Roll formed interlocked steel curtain section


 Roll-formed interlocking steel curtain section blades are available in either cold reduced hot dipped galvanised mild steel or stainless steel.

Formed within the full length of the blade are dual swages which provide additional strength and rigidity to form a high integrity interlocking blade.

Blade Control Options                                            
Mechanical Visual Indicator
Single Pole Microswitch
Double Pole Microswitch
Burgess Microswitch


Fusible Link Options
Straight bar


Gate Latch